diff --git a/gradle.properties b/gradle.properties
index 967fec25f..004fca198 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -8,3 +8,5 @@ org.gradle.caching=true
 android.useAndroidX=true
 # Automatically convert third-party libraries to use AndroidX
 android.enableJetifier=true
+
+kotlin.js.compiler=both
diff --git a/includedBuild/gradleConfiguration/src/main/kotlin/com/badoo/reaktive/configuration/JsPlugin.kt b/includedBuild/gradleConfiguration/src/main/kotlin/com/badoo/reaktive/configuration/JsPlugin.kt
index 0b31c93ea..75398e644 100644
--- a/includedBuild/gradleConfiguration/src/main/kotlin/com/badoo/reaktive/configuration/JsPlugin.kt
+++ b/includedBuild/gradleConfiguration/src/main/kotlin/com/badoo/reaktive/configuration/JsPlugin.kt
@@ -5,9 +5,7 @@ import com.badoo.reaktive.dependencies.Deps
 import org.gradle.api.Plugin
 import org.gradle.api.Project
 import org.gradle.api.tasks.SourceSet
-import org.jetbrains.kotlin.gradle.dsl.KotlinJsOptions
 import org.jetbrains.kotlin.gradle.dsl.KotlinMultiplatformExtension
-import org.jetbrains.kotlin.gradle.tasks.Kotlin2JsCompile
 
 @Suppress("UnstableApiUsage")
 class JsPlugin : Plugin<Project> {
@@ -46,26 +44,9 @@ class JsPlugin : Plugin<Project> {
                 }
             }
         }
-        target.tasks.named(TASK_COMPILE_KOTLIN_JS, Kotlin2JsCompile::class.java) {
-            kotlinOptions.configure()
-        }
-        target.tasks.named(TASK_COMPILE_KOTLIN_JS_TEST, Kotlin2JsCompile::class.java) {
-            kotlinOptions.configure()
-        }
-    }
-
-    private fun KotlinJsOptions.configure() {
-        metaInfo = true
-        sourceMap = true
-        sourceMapEmbedSources = "always"
-        moduleKind = "umd"
-        main = "call"
     }
 
     companion object {
-        private const val TASK_COMPILE_KOTLIN_JS = "compileKotlinJs"
-        private const val TASK_COMPILE_KOTLIN_JS_TEST = "compileTestKotlinJs"
-
         const val TARGET_NAME_JS = "js"
     }
 }
diff --git a/reaktive-testing/src/commonMain/kotlin/com/badoo/reaktive/test/single/TestAwait.kt b/reaktive-testing/src/commonMain/kotlin/com/badoo/reaktive/test/single/TestAwait.kt
index c0d0c36ab..88533eb54 100644
--- a/reaktive-testing/src/commonMain/kotlin/com/badoo/reaktive/test/single/TestAwait.kt
+++ b/reaktive-testing/src/commonMain/kotlin/com/badoo/reaktive/test/single/TestAwait.kt
@@ -50,4 +50,4 @@ import com.badoo.reaktive.single.Single
  * @param assertSuccess when provided, it will be called in case of [Single] success.
  * This gives an opportunity to assert the result.
  */
-expect fun <T> Single<T>.testAwait(assertError: ((Throwable) -> Unit)? = null, assertSuccess: (T) -> Unit = {})
+expect fun <T> Single<T>.testAwait(assertError: ((Throwable) -> Unit)? = null, assertSuccess: (T) -> Unit)
diff --git a/reaktive-testing/src/commonTest/kotlin/com/badoo/reaktive/test/single/TestAwaitTest.kt b/reaktive-testing/src/commonTest/kotlin/com/badoo/reaktive/test/single/TestAwaitTest.kt
index 0c1eb00f0..52040e97e 100644
--- a/reaktive-testing/src/commonTest/kotlin/com/badoo/reaktive/test/single/TestAwaitTest.kt
+++ b/reaktive-testing/src/commonTest/kotlin/com/badoo/reaktive/test/single/TestAwaitTest.kt
@@ -9,9 +9,9 @@ import kotlin.test.assertSame
 class TestAwaitTest {
 
     @Test
-    fun succeeds_WHEN_upstream_succeeded_and_no_assertSuccess() =
+    fun succeeds_WHEN_upstream_succeeded_and_empty_assertSuccess() =
         singleOf(1)
-            .testAwait()
+            .testAwait(assertSuccess = {})
 
     @Test
     fun succeeds_WHEN_upstream_succeeded_and_assertSuccess_did_not_throw() =
@@ -23,6 +23,6 @@ class TestAwaitTest {
         val error = Exception()
 
         return singleOfError<Nothing>(error)
-            .testAwait(assertError = { assertSame(error, it) })
+            .testAwait(assertError = { assertSame(error, it) }, assertSuccess = {})
     }
 }